Publications by authors named "Naveen"

Article Synopsis
  • The study investigates lymph node stromal cell cultures (LNSCs) from oral squamous cell carcinoma (OSCC) patients to understand tumor interactions for better treatment options.
  • Primary cultures were developed from both metastatic and non-metastatic patient nodes, confirming their purity and revealing a variety of cell types.
  • Transcriptomic and cytokine profiling showed different molecular alterations based on node status, with key insights into immune response and potential pathways for metastasis, highlighting the relevance of these models for future cancer research.
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Background: Heterozygous immunoproteasome subunit beta-type 10 (PSMB10) mutations can cause severe combined immunodeficiency (SCID) and Omenn syndrome (OS). Hematopoietic stem cell transplantation in these patients is associated with severe complications and poor immune reconstitution, often resulting in death.

Objective: To perform immunological and molecular characterization of an infant with a PSMB10 heterozygous variant.

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Statement Of The Problem: Dentin bonding with etch-and-rinse adhesives involves demineralizing the 5-8µm of the surface dentin to create micro space for resin infiltration. The presence of continuous fluid movement in dentin tubules and positive pulpal pressure prevents complete water replacement by resin monomers. This results in areas of demineralized dentin, which contain collagen fibers without resin infiltration.

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Background: Patent ductus arteriosus (PDA) is a congenital heart defect that requires closure to prevent complications like heart failure and pulmonary hypertension. Catheter-based closure using devices such as the Amplatzer duct occluder is the preferred method due to its minimally invasive nature. However, device embolization is a rare but recognized complication, particularly in small children or high-flow PDAs.

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We describe a simple, cost-effective, green method for producing capped silver nanoparticles (Ag NPs) using a handheld portable mesh nebulizer. The precursor solution containing a 1:1 mixture of silver nitrate (AgNO) and ligand (glycerol or sodium alginate) was sprayed using the nebulizer. The Ag NPs were generated in the water microdroplets within a few milliseconds under ambient conditions without any external reducing agent or action of a radiation source.

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Article Synopsis
  • The study aimed to identify the types of bacteria causing acute otitis externa (AOE) and their antimicrobial sensitivities in patients from a tertiary care center in North India.
  • Out of 66 patients, 50 samples tested positive for bacterial cultures, with gram-negative bacteria accounting for 60% and gram-positive for 40%, the most common being Pseudomonas aeruginosa (48%).
  • The findings emphasized the importance of regularly assessing bacterial flora and antimicrobial resistance to ensure effective treatment for AOE, as bacteria showed varying susceptibilities to different antibiotics.
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Background: The COVID-19 pandemic overburdened the healthcare system and affected the mental health of healthcare workers. Yoga has proven to improve mental health correlates, within diverse population groups, including healthcare workers. Considering the pandemic-imposed restrictions, this trial was designed to study the feasibility and effect of tele-yoga intervention on burnout, sleep quality, depression, anxiety, stress, mindfulness, and immune markers of healthcare workers on COVID-19 duty.

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Solid lipid nanoparticles (SLNs) are becoming increasingly favored for their robust biocompatibility and their capacity to enhance drug solubility, particularly for drugs with limited water solubility. This study delves into the effectiveness of the hot melt sonication technique in fabricating SLNs with high drug loading capabilities and sustained release characteristics. Griseofulvin (GF), chosen as a representative drug due to its poor water solubility, was encapsulated into SLNs composed of stearic acid.

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Cancer stands as one of the leading causes of death worldwide, and lung cancer represents its most aggressive and persistent form. Traditional strategies for addressing lung cancer involve various medical therapies such as radiotherapy, chemotherapy, and surgical excision. Despite their prevalence, these conventional methods lack precision and inadvert-ently cause collateral damage to neighboring healthy cells.

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A catalyst-free method was developed for the ring opening of azlactones (also known as oxazolones) in water microdroplets. Azlactone was dissolved in a water : acetonitrile (1 : 1) mixture, and the solution is sprayed by using nitrogen gas at a pressure of 120 psi to generate microdroplets. This method promoted selective cleavage of the lactone bond to afford the corresponding -benzoyl derivatives in up to 94% isolated yield with no epimerization.

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In this study, we demonstrate the electrodeposition of copper nanoparticles (NPs) on pencil graphite electrodes (PGEs) utilizing sodium dodecyl sulphate (SDS) as a soft template. The utilization of the surfactant had an impact on both the physical arrangement and electrochemical characteristics of the modified electrodes. The prepared Cu-SDS/PGE electrodes had hierarchical dendritic structures of copper NPs, thereby increasing the surface area and electrochemical catalytic activity in comparison with Cu/PGE electrodes.

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Machine translation facilitates cross-linguistic communication by converting text between languages. However, producing contextually accurate translations remains a challenge. This review explores the difficulties in achieving such accuracy, particularly in capturing contextual information, disambiguating polysemous words, and handling idiomatic expressions, cultural nuances, and domain-specific terms.

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Article Synopsis
  • This study analyzes treatment outcomes for epilepsy patients between 2017 and 2022, focusing on seizure control and medication side effects.
  • Out of 200 patients, 60% achieved complete seizure independence, while 30% had reduced seizure frequency; only 10% did not see improvement.
  • Different antiepileptic medications resulted in varying side effects, with older patients experiencing more fatigue than younger patients, highlighting the importance of customized treatment approaches.
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Acute haemorrhagic pancreatitis is a medical emergency and the most severe form of Acute Pancreatitis. It is characterized by severe epigastric pain that radiates to the back and is associated with vomiting. If not diagnosed and managed promptly, it may result in sudden, unexpected, unexplained deaths which fall within the medicolegal domain.

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Background: An older person undergoes a 'disablement' process with aging. A comprehensive geriatric assessment centered around the functional status informs the healthcare provider of their frailty status, based on which tailored interventions may be designed to help prevent/reverse frailty. This study was conducted to assess the improvement in frailty index by training older persons for self-care practices using a multi-domain behavioural intervention, assisted by their caregivers.

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The concept of serious games and gamification in medical education is gaining attention due to its nature of curiosity and to engage the student's attention by simultaneous cultivation of their higher-level thinking without the experience of boredom. Significant differences were reported among the present medical students, generations Y and Z compared to earlier generations. The advancements in serious games for medical education fit well with millennial medical students' learning styles.

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Introduction: The study aimed to systematically enhance the fabrication process of flurbiprofen-loaded bilosomes (FSB) using Quality by Design (QbD) principles and Design of Experiments (DOE). The objective was to develop an optimized formulation with improved entrapment efficiency and targeted drug delivery capabilities.

Methods: The optimization process involved applying QbD principles and DOE to achieve the desired formulation characteristics.

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Article Synopsis
  • The study investigates the relationship between serum magnesium levels, QTc intervals, and the occurrence of arrhythmias in patients experiencing acute myocardial infarction (AMI) within the first 48 hours of hospitalization.
  • It analyzes data from AMI patients, finding that those aged 51-60 years are more susceptible to arrhythmias, with a notable prevalence in females despite a higher overall AMI incidence in males.
  • Results indicate a significant correlation between QTc prolongation and arrhythmias, with patients displaying abnormal magnesium levels having different arrhythmia occurrences, highlighting the importance of monitoring these metrics for better prognosis in AMI cases.
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Severe aplastic anemia (SAA) is a life-threatening disorder with high mortality. The only curative treatment is hematopoietic stem cell transplantation (HSCT), but it is mainly for young patients with suitable donors. The alternative is immunosuppressive therapy (IST), which can improve blood counts in about 58% of patients, but many relapse after discontinuation.

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The ever-burgeoning sustainable need for humanity to produce lighter, tougher, and more cost-effective materials has led to the development of biodegradable composites. Ever since their creation, natural fiber-based composites have found themselves ubiquitous. Due to their exceptional performance, Natural fiber-reinforced composites have been predominantly used in several engineering applications.

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Background: Rheumatic heart disease (RHD) continues to pose a significant burden on global health, particularly in socioeconomically disadvantaged populations. We present the case of a 38-year-old woman with severe multivalvular RHD and giant atria, highlighting the challenges and complexities of managing this condition.

Case Presentation: The patient presented with progressively worsening dyspnoea, signs of right heart failure, and severe valvular abnormalities.

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Bow Hunter's syndrome (BHS) is an uncommon condition characterized by impingement of one of the two vertebral arteries induced by cervical rotation, causing symptomatic vertebrobasilar insufficiency of the posterior cerebral circulation. We report a case of BHS in an 84-year-old male. Two months following a motor vehicle accident, the patient presented to an urgent care facility with subsequent transfer to the emergency department with complaints of lightheadedness upon right-lateral head movement.

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